glissando
[glɪ'sɑndo]
n. 滑奏, 滑奏声

[] 滑音

1. Then, is how to do a proper glissando, do I need to move my jaw inward/ outward to do a glissando?
   怎正确演奏滑音，需将嘴唇移动制造效吗？

glissando
glissandi
[ noun ]

1. a rapid series of ascending or descending notes on the musical scale

<noun.communication>

[ adv ]

1. (musical direction) in the manner of a glissando (with a rapidly executed series of notes)

<adv.all>
this should be played glissando, please

Glissando \Glis*san"do\, n. & a. [As if It. = Fr. glissant
sliding.] (Mus.)
A gliding effect; gliding.